Answer / velu

thanks mr.steve.
doubt from long time now it is clear

Answer / noel

Thanks a lot Steve Sabin.
I was facing the same doubt from long time. I guess coil
converts impidance to voltage by resonance principle. and
it uses -ve resonance.. PNP transisters are used to
generate excitation frequency..

Answer / liji

Thanks Steve..Very clearly mentioned

Answer / $h@@mi

thanks steve

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1 Answers  

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Speedtronic system .

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1 Answers  

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7 Answers   HPCL, Shuiba Hotel,

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3 Answers   APPSC,

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1 Answers   Aramco,

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